Q$1){?}^{[1]}$ For the circuit given on right,

a$)$ Find $v_x$ using source transformation.

b$)$ Find $v_x$ using superposition.

c$)$ Find $v_x$ using Thevenin's Theorem.

d$)($LTspice$)$ Simulate finding $v_x$ using superposition.

e$)($LTspice$)$ Simulate finding $v_x$ using Thevenin's Theorem.